Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

CLARA WebGIS: Sharing Soil and Building Geophysical Data for Seismic Characterization of the City of Matera (Southern Italy)

Version 1 : Received: 20 April 2021 / Approved: 21 April 2021 / Online: 21 April 2021 (14:52:36 CEST)

A peer-reviewed article of this Preprint also exists.

Tragni, N.; Calamita, G.; Lastilla, L.; Belloni, V.; Ravanelli, R.; Lupo, M.; Salvia, V.; Gallipoli, M.R. Sharing Soil and Building Geophysical Data for Seismic Characterization of Cities Using CLARA WebGIS: A Case Study of Matera (Southern Italy). Appl. Sci. 2021, 11, 4254. Tragni, N.; Calamita, G.; Lastilla, L.; Belloni, V.; Ravanelli, R.; Lupo, M.; Salvia, V.; Gallipoli, M.R. Sharing Soil and Building Geophysical Data for Seismic Characterization of Cities Using CLARA WebGIS: A Case Study of Matera (Southern Italy). Appl. Sci. 2021, 11, 4254.

Journal reference: Appl. Sci. 2021, 11, 4254
DOI: 10.3390/app11094254

Abstract

In the context of seismic risk, studying the characteristics of urban soils and of the built environment means adopting a holistic vision of the city taking a step forward compared to the current microzonation approach. Based on this principle, CLARA WebGIS aims to collect, organise, and disseminate the available information on soils and buildings in the urban area of Matera. The geodatabase is populated with i) 488 downloadable geological, geotechnical, geophysical, surveys; ii) geological, geomorphological, and seismic homogeneous microzones maps and iii) a new Digital Surface Model. The CLARA WebGIS (https://smartcities-matera-clara.imaa.cnr.it/) is the first publicly available database reporting for the whole urban area the spatial distribution of the fundamental frequencies for soils and the overlying 4043 buildings, along with probability levels of soil-building resonance. The WebGIS is addressed to a broad target of end users (local government, engineers, and geologists, etc.) as a support to the implementation of seismic risk mitigation strategies in terms of urban planning, seismic retrofitting, and management of post-earthquake crises. We recommend that the database be managed by local administrators, who would also have the task of deciding on future developments and continuous updating as new data becomes available.

Subject Areas

seismic risk; WebGIS; seismic resilience; HVNSR; fundamental frequency; DSM; soil-building resonance

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